34results about How to "Timely inspection and maintenance" patented technology

The invention discloses a ship vibration energy acquisition and intelligent monitoring device based on a frictional nano-generator, which comprises a base, a frictional nano-generator, an integrated circuit and a display screen, and is characterized in that the frictional nano-generator comprises a spring, a silicone model, an upper electrode, a lower electrode and a wire, and has dual functions of performing frictional power generation and converting vibration signals into electric signals. The ship vibration energy acquisition and intelligent monitoring device does not need a battery or an external power supply, and can provide power for sensors thereof continuously. The ship vibration energy acquisition and intelligent monitoring device can operate with a small amount of electric energy, thereby not only reducing resources and energy consumed by manufacturing the battery, but also being capable of reducing the waste of electric power and realizing self power supply. The ship vibration energy acquisition and intelligent monitoring device can calculate the frequency and amplitude of ship vibration according to the output voltage waveform of the generator, and forms comparison with the vibration frequency under a normal operating state of the ship so as to monitor abnormal vibration, thereby facilitating the ship management staff to timely inspect and maintain abnormally vibrating electromechanical equipment of the ship, and realizing visualization of the ship vibration.

The invention provides an audio-video-heat integrated anomaly detection and alarm method based on artificial intelligence. The method comprises the following steps: 1, collecting the temperature, sound and image data of a capacitor and a reactor, and carrying out the 24-hour uninterrupted data collection of a reactive electrical device of a power transformation and distribution station through a medium-wave infrared detector, a directional sound pickup and a high-definition video camera; step 2, by analyzing the thermal imaging picture, denoising the sound by using a clustering method, and comparing the deformation of the video image, the preprocessing of the audio, video and thermal information is achieved; 3, according to the three types of data anomalies, abnormal state recognition is conducted through a fuzzy neural network method, and the collected data are subjected to classified macroscopic judgment and output; and step 4, comprehensively considering three types of data anomalydetection results to form a comprehensive criterion and an early warning threshold, and further formulating a corresponding intelligent early warning mechanism. The method has an efficient and accurate anomaly detection alarm effect, can reduce the labor cost, and facilitates the development of unmanned safe operation of the power transformation and distribution station.

The invention discloses an alarming type pipe flame arrester. The flame arrester comprises a main flame arresting pipe; one end of the main flame arresting pipe is fixedly connected with one end of a transition pipe section through a variable-diameter connecting pipe; a first flame arresting core and a second flame arresting core are arranged inside the main flame arresting pipe; the outer side of the first flame arresting core and the outer side of the second flame arresting core are fixedly connected with explosion-proof rings; a flame detector penetrates through the middle of the second flame arresting core; an alarm is arranged at the top end of the main flame arresting pipe; a control mainboard is arranged inside the top end of the flame detector; and a metal connecting pipe is arranged in the middle of the flame detector. According to the flame arrester, the multi-section type pipe flame arresting structure replaces the traditional equal-diameter structure, the flame arresting effect is effectively improved through multiple diameter changes, the structures of the flame arresting cores are stabilized through design of the explosion-proof rings, pipe damage caused by thermal deformation of the flame arresting cores is prevented, the early warning and alarming functions are realized through flame detection, the safety of the flame arresting process is guaranteed, damage to the pipe infrastructure is reduced, and the flame arrester is efficient and safe.

A rotating display base of the present invention comprises an inner shaft support, a first shaft sleeve, a second shaft sleeve, an outer shaft support, and an outer sleeve; the outer shaft support is a disc-shaped flange base; Cooperating through holes; the inner shaft support is a transmission-type shaft connector; the inner shaft support is provided with at least one cylindrical end face; the cylindrical end face fits into the matching through hole; the first shaft sleeve and the second shaft are placed on the outer shaft support sleeve; the first shaft sleeve is matched with the cylindrical end face; the second shaft sleeve is described as the floating sleeve outside the first shaft sleeve; a circle of transmission teeth is provided on the rotating surface of the first shaft sleeve; the inner wall of the second shaft sleeve is provided with The tooth head matched with the transmission gear; the second shaft sleeve covers the outer sleeve; the protective inner ring is fixed on the rotating inner wall of the outer sleeve; the protective inner ring is set with the second shaft sleeve; the inner wall of the protective inner ring is set There is a ball groove; balls are used between the protective inner ring and the second bushing to reduce friction.

The invention discloses a remote determination system of faults of an industrial flow instrument. The system comprises a data acquisition server, a data acquisition gateway, a data record instrument and a flow meter. The data acquisition gateway forwards real-time data of the data record instrument and the flow meter to a backbone network; the data acquisition server obtains data from the backbonenetwork and synchronizes the data to an application server. In addition, the invention also discloses a remote determination method of faults of an industrial flow instrument. The method comprises: collecting real-time data of the operation states of the data acquisition gateway, the data record instrument and an industrial enterprise instrument; on the basis of characteristics of different typesof instruments commonly used in various energy media in the industry, setting corresponding criteria and establishing a determination model; and determining the instrument operation fault based on afault determination model, acquiring a fault signal by using configuration software and carrying out alarming in monitoring software. Therefore, a problem that the industrial instrument fault elimination is not carried out timely and thus the e energy consumption statistics is affected in the prior art is solved.

The invention discloses a biological safety cabinet for monitoring filter leakage in real time. The biological safety cabinet comprises a cabinet body, an air blower, a negative pressure channel and a detecting structure, wherein an air outlet is formed in the top of the cabinet body; the air blower is arranged on the inner upper part of the cabinet body; the negative pressure channel is arranged at the outer side of the rear part of the cabinet body; one end of the negative pressure channel is arranged below the cabinet body, and the other end of the negative pressure channel extends to the top end of the cabinet body along the rear part of the cabinet body; the detecting structure is arranged on a position, positioned on the upper part of a cabinet body working region, in the cabinet body. According to the biological safety cabinet for monitoring filter leakage in real time disclosed by the invention, the detecting structure is arranged in the working region, and a probe for detecting cleanness is fixed on a movable track in the detecting structure and can move in the track, so that in the practical use of a workbench, the cleanness detecting probe scans along the track row by row to realize leakage detection; when leakage exists, a signal is output in real time, so that the equipment can timely emit a sound-light alarm signal to prompt an operator to timely check and maintain a filter.

The invention discloses a power battery monitoring method and device, a server and a storage medium. The method comprises the following steps: acquiring a charging parameter and a temperature parameter of at least one power battery; determining monitoring parameters according to the charging parameters and the temperature parameters; the monitoring parameter is at least used for representing the temperature rise rate of the power battery; determining the health state of the power battery based on the monitoring parameters, wherein the health state represents the fault degree of the power battery. According to the technical scheme provided by the embodiment of the invention, the working state of the working battery, such as the to-be-repaired state and the to-be-observed state, can be determined based on the monitoring parameters, and monitoring of the power battery is realized, so that the power battery is checked and maintained in time, and the use safety of the power battery is guaranteed.

The invention relates to an assembly line sensor displacement detection device with an automatic early warning function, which comprises a machine body, and is characterized in that a fastening plateis movably inserted into the inner wall of a mounting base, a friction chain belt is mounted on the fastening plate through a roller shaft, a protruding plate corresponding to a rotating plate is fixedly connected to the roller shaft, a striking rod is fixedly connected to the bottom of a sliding base, a compressed spring is mounted between the sliding base and a limiting ring, a baffle is movablyinserted below the limiting ring, an inserting rod corresponding to the baffle is fixedly connected to the sliding base, and an alarm bell is fixedly mounted at the bottom of the mounting base. Whena sensor main body deflects left and right, the fastening plate is extruded to move, and the fastening plate extrudes the sliding base to move downwards; when the sensor main body slides downwards, the friction chain belt and the roller shaft are driven to drive the protruding plate to rotate, the protruding plate extrudes the sliding base to move downwards through the rotating plate, the downwards-moving sliding base causes deformation of the compressed spring for energy storage, then the inserting rod extrudes the baffle to move away, the striking rod strikes an alarm bell to give an alarm,and workers are reminded to conduct inspection and maintenance in time. The device is simple in structure is simple and convenient to use.

The invention provides a solar aquaculture water-quality monitoring system, belonging to the field of water-quality monitoring. The solar aquaculture water-quality monitoring system comprises a controller module, a sensor module, a wireless sending module, a storage battery module, a solar module and a remote user module; the output end of the sensor module is connected with the input end of the controller module; the solar module is connected with the power supply ends of the controller module and the wireless sending module through the storage battery module; the input end of the wireless sending module is connected with the output end of the controller module; the wireless sending module is in wireless connection with the remote user module; a water-quality parameter is detected through the sensor module in real time; the wireless sending module transmits the water-quality parameter to the remote user module in a wireless transmission manner, such that the water-quality parameter is checked by a user; the solar module converts solar energy into electric energy; therefore, the electric energy and the wire arrangement expense are saved; and the problem that the existing automatic aquaculture water-quality monitoring system is difficult to arrange wires can be solved.

The invention relates to a closed-loop control loop performance evaluation method based on SFA and Hellinger distance. The closed-loop control loop performance evaluation method comprises the following steps: step 1, acquiring reference data; 2, extracting dynamic information and static information of the reference data by using a slow feature analysis algorithm. The method has the beneficial effects that the dynamic and static information of the operation variables and the controlled variables of the reference data and the to-be-evaluated data is extracted by applying a slow feature analysis(SFA) algorithm, and then the Gaussian mixture model (GMM) of the dynamic and static information is estimated; and finally, the Hellinger distance between the online data and the reference data basedon a Gaussian mixture model are calculated to serve as an evaluation index of the performance of the closed-loop control loop. The problem that control performance evaluation is difficult to accurately carry out due to control logic high coupling and data non-Gaussian distribution in the actual process is solved, the accuracy of dynamic process control performance evaluation is improved, a controlloop can be effectively and timely checked and overhauled, and the reliability of the control loop is improved. Therefore, safe and reliable operation of equipment where the loop is located and the whole industrial process is guaranteed.

The invention discloses a preparation technology of an aluminum honeycomb plate frame. The aluminum honeycomb plate frame comprises a plate body, a support frame and a top plate, wherein the support frame is arranged on the plate body; the top plate is arranged on the support frame; honeycomb filter holes are formed in the top plate; mounting racks are arranged on the outer sides of the plate body. The aluminum honeycomb plate frame has beneficial effects as follows: the support frame and the top plate of the plate frame are both made of an aluminum alloy, the honeycomb filter holes with the mesh number being 400 are distributed in the top plate, and the overall aluminum honeycomb plate frame is light, easy to process and convenient to use; a feedback alarm loop consisting of a concentration sensor, controllers and an LED light strip is arranged, a real-time concentration value of a liquid filtered by the top plate is acquired by the concentration sensor in real time, and when the real-time concentration value is not in accordance with a preset concentration value, the LED light strip emits alarm light to remind a user that the plate frame probably fails and is required to be checked and maintained in time.

The invention relates to a clean bench capable of monitoring leakage in real time. The clean bench comprises a box body, a detection structure, a movement unit and a scanning probe, wherein the box body is of a structure with an opening in one side, and a working area is formed inside the box body; the detection structure is arranged in the box body and is positioned at the upper part of the working area; the detection structure comprises a scanning movement platform which is arranged in the box body and is positioned at the upper part of the working area; the movement unit is arranged in the scanning movement platform; and the scanning probe is arranged on the movement unit. According to the clean bench capable of monitoring the leakage in real time, the detection structure is arranged in the working area, the probe for detecting the cleanliness is fixed on one movement track in the detection structure and can move in the track, the probe for detecting the cleanliness can gradually scan along the track when the clean bench is in actual use and the leakage detection is realized; when the leakage occurs, a signal can be output in real time, and equipment can give a sound-light alarm signal timely to prompt operating personnel to check and maintain timely.

The invention disclose a novel one-piece plastic welding gun. A detachable front cover is arranged on a shell, the front cover is made of an aluminum alloy material, an air outlet is formed in the front cover, an air blower assembly is fixed in the shell and comprises a driving part and centrifugal fan blades, the centrifugal fan blades are arranged towards the front cover, a spring pressing contact type ceramic heating core assembly comprises a ceramic heating core assembly body and a ceramic wiring pin assembly, a detachable flange hollow pipe is arranged at the air outlet of the front cover, the ceramic heating core assembly body is located in the flange hollow pipe, the ceramic heating core assembly body comprises a first ceramic wiring pin base, a ceramic pipe and a ceramic cover which are sequentially arranged in the flange hollow pipe, an electric heating wire is arranged in the first ceramic wiring pin base, the ceramic wiring pin assembly is located in the front cover, and the ceramic wiring pin assembly is detachably and fixedly connected with the first ceramic wiring pin base. After improvement, the product quality of the welding gun is greatly improved, the welding gun has the advantages of being not prone to damage, few in fault, convenient to maintain and replace in time after the electric heating wire is damaged, and higher in working efficiency.

The invention belongs to the technical field of seedbed transfer, and provides an RGV trolley for seedbed transportation and a seedbed transportation line comprising the same. The RGV trolley comprises a frame, wherein a walking mechanism for realizing displacement of the frame on a longitudinal track and a seedbed conveying mechanism for realizing longitudinal sliding of a seedbed on the frame are arranged on the frame, and a seedbed limiting mechanism is further arranged at the end part of the frame; a track butt joint mechanism for being in butt joint with a transverse track, a tow bar driving mechanism for realizing tow bar driving on the transverse track and a seedbed pushing mechanism for pushing the seedbed to transversely slide along the frame are further arranged on the frame, the track butt joint mechanism is provided with two track butt joint pipes which are correspondingly arranged, and the tow bar driving mechanism and the seedbed pushing mechanism are arranged between the two track butt joint pipes. According to the RGV trolley for seedbed transportation and the seedbed transportation line comprising the same, the seedbed is convenient and labor-saving to carry, the transfer cost of the seedbed is reduced, the seedbed is efficiently and orderly carried, the carrying efficiency of the seedbed is greatly improved, and the practicability is high.

The invention discloses a charging pile electric leakage protection system, and relates to the technical field of charging piles. The system comprises a charging pile terminal, a detection data analysis unit and a maintenance scheduling unit, wherein a main control module is arranged in the charging pile terminal, and is electrically connected with a detection module through a conducting wire, thedetection data analysis unit is electrically connected to the output end of the detection module, the output end of the detection module is further electrically connected with an automatic power-offmodule, the automatic power-off module is electrically connected with an execution control module through a conducting wire, the execution control module is electrically connected with a circuit breaker through a conducting wire, the automatic power-off module is electrically connected with an intelligent alarm module through a conducting wire, and the output end of the intelligent alarm module iselectrically connected with a signal transmission module. According to the invention, the intelligent alarm module of the system can carry out electric leakage warning at the charging pile terminal through the audible and visual alarm, and can transmit the electric leakage information to the network server through the signal transmission module.

The invention relates to the technical field of garden machinery, and particularly discloses a gasoline chain saw with a display function and an information display method. The gasoline chain saw comprises a shell. An air filter, a sparking plug, a fuel filter, an air cylinder, a silencer, an air valve, a gear box, a piston and an oil pump are arranged in the shell. A rotating speed sensor is arranged on the sparking plug, and a first temperature sensor is arranged on the air cylinder. A guide plate is arranged on the shell, a second temperature sensor is arranged on the guide plate, and a sawchain is rotationally arranged on the guide plate. A control panel is arranged on the shell. A rotating speed signal collector, a working time timer and an abnormal time accumulation timer are arranged in the control panel, and the rotating speed signal collector is electrically connected with the rotating speed sensor. A single chip microcomputer is arranged in the shell or the control panel. The control panel is provided with a plurality of display panes which are all electrically connected with the single chip microcomputer. The gasoline chain saw has the advantages that the rotating speedcan be monitored, the operating temperature can also be monitored, and the maintenance reminding function is achieved.